text: // RUN: jlang-cc -fsyntax-only -verify %s
  
  typedef const int x; // expected-note {{previous definition is here}}
  extern x a;
  typedef int x;  // expected-error {{typedef redefinition with different types}}
  extern x a;
  
  // <rdar://problem/6097585>
  int y; // expected-note 2 {{previous definition is here}}
  float y; // expected-error{{redefinition of 'y' with a different type}}
  double y; // expected-error{{redefinition of 'y' with a different type}}
  